Pre-Release 2.1.6 RC4

• FIX - Resolved Google SDK conflict. #261
• FIX - ICompatibility.php errors notice. #257 #259
• FIX - Undefined index: gs_link in class-bootstrap.php. #170
• FIX - Media files with accent characters would not upload correctly to the bucket. #272
• ENHANCEMENT - Force Cache-Busting when using Stateless mode. #249
• ENHANCEMENT - New admin notice design. #219
• ENHANCEMENT - Improved and clear error message. #244
• ENHANCEMENT - Renamed constant WP_STATELESS_MEDIA_ON_FLY to WP_STATELESS_DYNAMIC_IMAGE_SUPPORT. #251
• ENHANCEMENT - Update Google Libraries. #176
• ENHANCEMENT - Renamed constant WP_STATELESS_MEDIA_HASH_FILENAME to WP_STATELESS_MEDIA_CACHE_BUSTING. #250
• COMPATIBILITY - Renamed constant WP_STATELESS_COMPATIBILITY_WPSmush to WP_STATELESS_COMPATIBILITY_WPSMUSH. #252
• COMPATIBILITY - Added support for WooCommerce Extra Product Options. #266
• COMPATIBILITY - Added support for WPForms Pro. #253
• COMPATIBILITY - Improved ShortPixel compatibility. #254
• COMPATIBILITY - Fixed ACF Image Crop compatibility. #256